A54SX08-1FGG144I - 12K Gate FPGA 144-FBGA | Microchip
MPN: A54SX08-1FGG144I ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
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| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
A54SX08-1FGG144I Overview
A field-programmable gate array (FPGA) is an integrated circuit that can be configured by the end user to implement custom digital logic. Within the FPGA hierarchy, the SX family belongs to the antifuse-based, one-time-programmable class of FPGAs, sitting under the broader categories of programmable logic devices and embedded semiconductors. Because the configuration is stored in antifuse elements rather than volatile SRAM, SX devices retain their programming through power cycles and need no external boot flash.
Key features include a sea-of-modules architecture that delivers higher gate density and faster interconnect than SRAM FPGA architectures of the same era, 0.35 um process technology, dual 3.3V core / 5V tolerant I/O operation, and 280 MHz system capability. The 111 user I/Os in a compact 0.5 mm-pitch 144-ball package make it suitable for space-constrained industrial boards.
Technically, the A54SX08 provides 512 logic cells organized in C-cells and R-cells, with the dedicated Routing interconnect matrix delivering predictable, low-skew timing. Speed grade -1 denotes the standard speed bin within the family. The industrial (I) temperature variant supports extended-temperature embedded deployments, and the part is offered lead-free.
Typical applications include industrial embedded control, glue logic consolidation, communication interface bridging, aerospace-adjacent industrial systems, and legacy design sustainment where nonvolatile, instant-on FPGA behavior is required.
When designing with this device, note that it is one-time-programmable: programming errors cannot be erased in the field, so verify the design thoroughly before final programming and plan spare I/O and gates for future revisions.
This page synthesizes verified distributor data, drop-in same-family alternatives, pricing tiers, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for A54SX08-1FGG144I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with A54SX08-1FGG144I (same form factor and footprint) — differing in Family, Package, System Gates, Operating Temperature, Process Technology.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
A54SX08-2FGG144I
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View Datasheet →A54SX08-FGG144I
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$1 / Unit
View Datasheet →A54SX08-2FGG144
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$38.5 / Unit
View Datasheet →A54SX08-FGG144
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$49.75 / Unit
View Datasheet →A54SX08-1FGG144I Maximum Ratings & Electrical Characteristics
| System Gates | 12000 gates |
| Logic Elements | 768 |
| Logic Cells | 512 |
| User I/O | 111 |
| Maximum System Frequency | 280 MHz |
| Process Technology | 0.35 um |
| Supply Voltage (Core) | 3.3 V |
| I/O Voltage Support | 3.3 V / 5 V |
| Speed Grade | -1 |
| Programmability Type | Antifuse, nonvolatile, one-time programmable |
| Package | 144-ball FBGA (FGG144) |
| Mounting Type | Surface Mount |
| Temperature Grade | Industrial (I suffix) |
| Lead Free | Yes |
| Family | Actel SX (54SX) Family FPGAs |
A54SX08-1FGG144I 144-ball fbga (fgg144) Pin Configuration Guide
Pin configuration for A54SX08-1FGG144I (144-ball fbga (fgg144) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for A54SX08-1FGG144I.
Refer to the datasheet for full pin configuration.
Typical Applications
A54SX08-1FGG144I is suitable for 6 applications: Industrial Embedded Control, Glue Logic Consolidation, Communication Interface Bridging, Legacy Design Sustainment, Aerospace-Adjacent Industrial Systems, Test and Measurement Instrumentation.
Industrial Embedded Control
The A54SX08-1FGG144I fits industrial embedded control because its 12,000 system gates and 111 user I/Os are sufficient to consolidate PLC-style sequencing, state machines, and peripheral interface logic into one instant-on antifuse device, eliminating external boot-flash delay required by SRAM FPGAs. In a typical deployment the FPGA sits between a microcontroller and 3.3V/5V industrial I/O, exploiting its 5V-tolerant inputs to interface legacy sensors and actuators directly. The industrial (I) temperature variant supports uncontrolled factory-floor enclosures, and the 280 MHz capability provides timing headroom for deterministic control loops. Because antifuse configuration is fixed, logic behavior is immune to configuration upsets, a benefit in noisy motor-drive environments where SRAM configuration corruption is a known failure mode.
Recommended
Glue Logic Consolidation
Legacy boards often accumulate discrete 74-series logic, PALs, and CPLDs; the A54SX08-1FGG144I consolidates this glue logic into a single 144-ball FBGA with 12,000 gates and 768 logic elements. Its sea-of-modules architecture provides the fine-grained C-cell/R-cell structure well suited to random decode logic, bus interfacing, and address mapping where coarse-grained LUT architectures are inefficient. The 111 user I/Os allow many formerly separate bus interfaces to terminate at one device, reducing BOM count and board area. Because it is nonvolatile and requires no configuration device, the replacement part powers up functional within microseconds, matching the behavior of the TTL-style logic it replaces. The compact 0.5 mm-pitch FBGA keeps the consolidated footprint small enough to retrofit into existing board outlines.
Recommended
Communication Interface Bridging
The A54SX08-1FGG144I serves as a protocol and interface bridge in industrial and legacy communication equipment, where its 280 MHz system capability comfortably supports common interface clocks and its 5V-tolerant I/O connects to older line-side circuitry. A typical implementation bridges a parallel microprocessor bus to serial peripherals or maps UART, SPI-like, and parallel status interfaces onto one device, using the SX family's predictable routing to meet fixed latency targets. The antifuse fabric's low, deterministic interconnect skew simplifies timing closure for bridge functions compared with SRAM FPGAs of the same era. Place series termination on the 3.3 V I/O banks and follow the 54SX datasheet's I/O banking guidelines to keep simultaneous-switching noise within limits on the 144-ball package.
Recommended
Legacy Design Sustainment
For teams maintaining Actel SX-A based products, the A54SX08-1FGG144I is the exact MPN specified in thousands of shipping designs, and its same-package speed/temperature variants provide form-fit-function substitution when the exact speed bin is unavailable. Sustaining engineers can drop in A54SX08-2FGG144I for faster timing margin or commercial-grade FGG144 variants where the enclosure is temperature controlled, using the identical PCB footprint and the original design source compiled with Libero/MDesigner tooling. Since the device is one-time-programmable, maintain a programming fixture and validated fusemap files as part of the sustainment kit. XAIPART stocks multiple FGG144-family variants, enabling same-footprint risk mitigation for end-of-life roadmaps on mature industrial products.
Recommended
Aerospace-Adjacent Industrial Systems
The SX family's antifuse technology is derived from the same nonvolatile architecture Microchip uses in its radiation-tolerant RTAX space FPGAs, which is why the A54SX08-1FGG144I appears in industrial systems adjacent to aerospace programs, such as ground equipment, test benches, and instrumentation for satellite assemblies. In these systems the instant-on, configuration-upset-immune behavior matters: the antifuse fabric cannot lose its configuration under radiation-induced or electrical upset, unlike SRAM FPGAs that require external configuration scrubbing. The industrial temperature grade, 12,000-gate capacity, and 111 I/Os cover telemetry formatting, timing generators, and interface adaptation roles. Designers should still apply conventional single-event and total-dose derating analysis, since this specific MPN is not itself radiation-qualified.
Recommended
Test and Measurement Instrumentation
The A54SX08-1FGG144I is well matched to instrumentation backplanes and stimulus/response logic where deterministic, instant-on behavior is required at power-up. Its 280 MHz capability supports fast counter, comparator, and pattern-generator implementations, while the 768 logic elements and predictable C-cell/R-cell timing allow engineers to compute precise timing budgets from the datasheet's derated routing tables rather than relying on statistical delay models. The 5V-tolerant I/O connects directly to legacy instrumentation buses such as parallel status and trigger lines operating at TTL levels. In a typical bench instrument, the FPGA handles trigger arbitration and bus interfacing while a microcontroller manages the user interface, with the antifuse configuration guaranteeing identical behavior on every power cycle for repeatable measurements.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08-1FGG144I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX08-2FGG144I | A54SX08-FGG144I | A54SX08-2FGG144 | A54SX08-FGG144 |
|---|---|---|---|---|---|
| Package | 144-ball FBGA (FGG144) | 144-ball FBGA (FGG144) - same | 144-ball FBGA (FGG144) - same | 144-ball FBGA (FGG144) - same | 144-ball FBGA (FGG144) - same |
| Brand | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) |
| System Gates | 12,000 | 12,000 | 12,000 | 12,000 | 12,000 |
| User I/O | 111 | 111 | 111 | 111 | 111 |
| Speed Grade | -1 | -2 (faster) | base | -2 (faster) | base |
| Temperature Grade | Industrial (I) | Industrial (I) | Industrial (I) | Commercial | Commercial |
| Core / I/O Voltage | 3.3 V / 3.3V-5V | 3.3 V / 3.3V-5V | 3.3 V / 3.3V-5V | 3.3 V / 3.3V-5V | 3.3 V / 3.3V-5V |
| Programmability | Antifuse, nonvolatile, OTP | Antifuse, nonvolatile, OTP | Antifuse, nonvolatile, OTP | Antifuse, nonvolatile, OTP | Antifuse, nonvolatile, OTP |
Key Differentiators
- Lowest-cost timing bin for the 12K-gate FGG144 device (vs A54SX08-2FGG144I)
- Industrial temperature rating in the exact production footprint (vs A54SX08-2FGG144)
- Nonvolatile antifuse fabric eliminates configuration devices (vs A54SX08-FGG144)
Design Notes
The 144-ball FGG144 package uses approximately 0.5 mm ball pitch, requiring controlled-impedance, fine-pitch BGA land patterns and typically 4+ layer PCB stackups with via-in-pad or dog-bone fanout. Follow IPC-7351 BGA land-pattern guidance for your fab capability, and verify the ball map against the 54SX Family datasheet package table before releasing the footprint - the 111 user I/Os plus power/ground balls vary across the SX-A family members. Estimated: a typical FGG144 fanout region needs roughly 20 mm x 20 mm of board area including decoupling.
The A54SX08 uses a 3.3 V core supply with 3.3V/5V tolerant I/O. Decouple each power/ground ball pair with 0.1 uF ceramic capacitors placed within a few millimeters of the package, plus bulk 10 uF capacitance near the supply entry. Antifuse SX devices draw static current largely independent of configuration, so power estimates from Microchip's SX power calculator should use your actual toggle-rate data. Do not exceed the datasheet's 5V-tolerant I/O conditions - inputs above the absolute maximum ratings will damage the antifuse fabric permanently, since the device cannot be reprogrammed after damage either.
The most common pitfall with this part is treating it like an SRAM FPGA: it is one-time-programmable, so a design bug discovered after programming destroys the device. Always validate timing in simulation against the -1 speed grade derated values from the 54SX datasheet, program a small quantity of engineering units first, and retain the exact fusemap file with revision control. When substituting the -2 speed grade for shortage relief, remember the faster device changes timing margins - re-run static timing before releasing the substitution to production.
Compliance Information
PCB Electronics Supply Chain lists the part as LEAD FREE. RoHS/REACH/halogen status for this exact MPN should be confirmed via the official Microchip environmental certificate.
